296
Taking CO2 out of the air would be an absurdly expensive way to fight climate change
(www.theverge.com)
Discussion of climate, how it is changing, activism around that, the politics, and the energy systems change we need in order to stabilize things.
As a starting point, the burning of fossil fuels, and to a lesser extent deforestation and release of methane are responsible for the warming in recent decades:
How much each change to the atmosphere has warmed the world:
Recommended actions to cut greenhouse gas emissions in the near future:
Anti-science, inactivism, and unsupported conspiracy theories are not ok here.
What if your grasses decomposed and were put under pressure by rocks inside said cave, slowly transforming into a rich, dark to jet black liquid hydrocarbon substance or something like that?
That would be pretty strange. Millions of years of stored sunlight and carbon, just liquefied and pumped underground on purpose.